Formwork for forming concrete columns



FIG. 1 is a perspective view of the article.

FIG. 2 is a side elevation view thereof.

FIG. 3 is another side elevation view thereof.

FIG. 4 is a front view thereof.

FIG. 5 is a rear view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a formwork for forming concrete columns, as shown and described. 